In an underground cave of southern China, an eyeless river creature with an externally “visible” skull moved through the dark waters. Its hard-to-reach home helped it go largely unnoticed. But when ...

Archaeologists have discovered an ancient Greek sanctuary from the Hellenistic era inside Italy’s Pertosa-Auletta Cave.

Sometimes the best adventures are in the places we least expect, and that's certainly the case with this marvelous gypsum ...